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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of water is __________ than that of mercury.

None of these
Higher
Same as
Lower

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

100 kg
1 kg
10 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

laminar flow
non-uniform flow
steady flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

Low head of water
High head of water
Medium head of water
High discharge

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for the fans having constant wheel diameters, the power demand varies

Cube of fan speed
Directly as fan speed
Square of fan speed
Square root of fan speed

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Hydraulics and Fluid Mechanics in ME
Barometer is used to measure

Difference of pressure between two points
Very low pressure
Atmospheric pressure
Pressure in pipes, channels etc.

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